參數(shù)資料
型號： MB91110PMT2
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 50 MHz, RISC MICROCONTROLLER, PQFP144
封裝： PLASTIC, LQFP-144
文件頁數(shù)： 30/98頁
文件大?。?/td> 1049K
代理商： MB91110PMT2
MB91110 Series
36
4.
Instruction Cache
The instruction cache is a temporary storage memory. In the event that the instruction codes are accessed from
a low speed external memory, it holds the accessed codes internally, and is used to increase the access speed
for all subsequent accesses.
Direct read or write access can not be done by instruction cache or instruction cache tag using software.
Cacheable area of the instruction cache
Instruction cache allows all space to become a cacheable area.
Even though details of the external memory are updated by DMA transfer, it is not coherent with the cache
details. In this case, coherency should be established by flushing the cache.
Instruction cache configuration
Basic instruction length of FR series : 2 bytes
Block layout : 2-way set associative type
Block
1 way is configured of 32 blocks.
1 block is 16 bytes (
= 4 sub blocks)
1 sub block is 4 bytes (
= 1 bus access unit)
The instruction cache configuration is shown in the following figure.
4 bytes
I3
I2
I1
I0
Way 1
Way 2
Cache tag
Sub lock 3
Sub lock 2
Sub lock 1
Sub lock 0
Block 0
Sub lock 3
Sub lock 2
Sub lock 1
Sub lock 0
Block 31
Block 0
Block 31
Sub lock 3
Sub lock 2
Sub lock 1
Sub lock 0
Sub lock 3
Sub lock 2
Sub lock 1
Sub lock 0
Cache tag
32 blocks
Instruction Cache Configuration
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB911110PMT2 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-Bit RISC Microcontroller
MB91121 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit RISC Microcontroller
MB91121PFV 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit RISC Microcontroller CMOS
MB91133 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-Bit RISC Microcontroller
MB91133PBT 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-Bit RISC Microcontroller
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